cofferdam bulkhead

18 LETTERS · STARTS WITH C

cofferdam bulkhead is a valid 18-letter word worth 38 points in Scrabble and 42 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3O1F4F4E1R1D2A1M3B3U1L1K5H4E1A1D2

3 + 1 + 4 + 4 + 1 + 1 + 2 + 1 + 3 + 0 + 3 + 1 + 1 + 5 + 4 + 1 + 1 + 2 =38 PTS

DOUBLE WORD → 76TRIPLE WORD → 114

MEANING

What does cofferdam bulkhead mean?